diff --git a/inventory/routes/entry.py b/inventory/routes/entry.py
index 929e803..9f6c722 100644
--- a/inventory/routes/entry.py
+++ b/inventory/routes/entry.py
@@ -1,5 +1,6 @@
 from datetime import datetime
 from flask import Blueprint, render_template, abort, request, jsonify, current_app
+from sqlalchemy.inspection import inspect
 from typing import Any, Dict, List, Tuple, Callable, Optional
 
 import crudkit
@@ -9,7 +10,9 @@ ISO_DT_FORMATS = ("%Y-%m-%dT%H:%M:%S.%f", "%Y-%m-%dT%H:%M:%S", "%Y-%m-%d %H:%M",
 
 bp_entry = Blueprint("entry", __name__)
 
-ISO_DT_FORMATS = ("%Y-%m-%dT%H:%M:%S.%f", "%Y-%m-%dT%H:%M:%S", "%Y-%m-%d %H:%M", "%Y-%m-%d")
+def filter_to_columns(data: dict, model_cls):
+    cols = {c.key for c in inspect(model_cls).mapper.columns}
+    return {k: v for k, v in data.items() if k in cols}
 
 def _parse_dt_maybe(x: Any) -> Any:
     if isinstance(x, datetime):
@@ -355,7 +358,9 @@ def init_entry_routes(app):
             service = crudkit.crud.get_service(cls)
             item = service.get(id, params)
             d = deep_diff(item.as_dict(), payload, ignore_keys={"id", "created_at", "updated_at"})
-            print(f"OLD = {item.as_dict()}\n\nNEW = {payload}\n\nDIFF = {d}")
+            patch = diff_to_patch(d)
+            clean_patch = filter_to_columns(patch, cls)
+            print(f"OLD = {item.as_dict()}\n\nNEW = {payload}\n\nDIFF = {d}\n\nPATCH = {patch}\n\nCLEAN PATCH = {clean_patch}")
 
             return {"status": "success", "payload": payload}
         except Exception as e: